{% if isFramework("angular") %}
The Header Group Component interface is as follows:
{% /if %}

{% if isFramework("angular") %}
```ts
interface IHeaderAngularComp {
   // The agInit(params) method is called on group header component once.
   // See below for details on the parameters.
   agInit(params: IHeaderGroupParams): void;
}
```
{% /if %}

{% if isFramework("angular") %}
The params passed to `agInit(params)` are as follows:
{% /if %}
